I agree with some points of your assessment. I was training some people pre-Covid, and things certainly changed after Covid wfh. You know what though, I also changed. Instead of getting up and writing on a whiteboard we hold Teams sessions, where I share my screen, or I produce how-to videos, or sometimes I have someone else share their screen while I instruct. Just because something was always done a certain way doesn’t mean that’s the way. We as mentors have to learn to adapt, and be inclusive in a virtual environment. Now instead of training one person at a time at their desk when they have a question, I reach the whole team if I need. While there are certain circumstances like you mentioned, that would not be an issue if you were discussing this in a group manner.